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Faulques, E., Ivanov, V. G., Jonusauskas, G., Athalin, H., Pyshkin, O., Wery, J., Massuyeau, F. & Lefrant, S. (2006) Ultrafast photoluminescence spectroscopy of exciton-exciton annihilation in oligoaniline films with nanoscale ordering. Phys. Rev. B, 74 075202. 
Added by: Florent Boucher (2016-05-12 13:21:36)
Type de référence: Article
DOI: 10.1103/PhysRevB.74.075202
Numéro d'identification (ISBN etc.): 1098-0121
Clé BibTeX: Faulques2006
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Mots-clés: crystals, device, energy-transfer, intermolecular interactions, Luminescence, oligothiophenes, polyaniline, quaterthiophene, thin-films, transistors
Créateurs: Athalin, Faulques, Ivanov, Jonusauskas, Lefrant, Massuyeau, Pyshkin, Wery
Collection: Phys. Rev. B
Consultations : 1/595
Indice de consultation : 4%
Indice de popularité : 1%
The exciton dynamics and optical characteristics of blue-emitting N,N-'-diphenyl-1,4-phenylene-diamine oligoaniline films have been determined. Transient photoluminescence experiments are consistent with internal quantum yields of similar to 5.3% and 10.1% measured for oriented and nonoriented films, respectively. The data indicate a drastic dependence on nanoscale ordering which promotes photoluminescence quenching, a large annihilation rate, and fast exciton diffusion. Therefore, the emission properties can be controlled by the textural morphologies of the layers.
Added by: Florent Boucher  
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